SpringerLink (Online service), Foret, A., Kobele, G., & Pogodalla, S. (2018). Formal Grammar 2018: 23rd International Conference, FG 2018, Sofia, Bulgaria, August 11-12, 2018, Proceedings (1st ed. 2018.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/978-3-662-57784-4
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Annie Foret, Greg Kobele, και Sylvain Pogodalla. Formal Grammar 2018: 23rd International Conference, FG 2018, Sofia, Bulgaria, August 11-12, 2018, Proceedings. 1st ed. 2018. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2018. https://doi.org/10.1007/978-3-662-57784-4.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Formal Grammar 2018: 23rd International Conference, FG 2018, Sofia, Bulgaria, August 11-12, 2018, Proceedings. 1st ed. 2018. Springer Berlin Heidelberg : Imprint: Springer, 2018. https://doi.org/10.1007/978-3-662-57784-4.
